Cosmetic and/or dermatological composition containing a dispersion of a polymeric system and use of this system as tensor
US6001367A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1998 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Nov 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/926
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to an anti-wrinkle composition containing a dispersion of a polymer system comprising at least one polymer of natural origin, and to the use of this polymer system as a tensioning agent in a cosmetic or dermatological composition. In particular, a soybean protein commercial product Profam 972. The polymer used must characteristically have a molecular weight of greater than 670,000 daltons and the polymer system obtained must be capable of forming a steam-permeable film, it must have a Young's modulus ranging from 10.sup.8 to 9.times.10.sup.9 N/m.sup.2 and it must produce, at a concentration of 7%, a greater than 1.5% retraction of isolated stratum corneum at 30.degree. C. and at a relative humidity of 40%. The composition obtained is used in particular for the immediate treatment of wrinkles and fine lines on the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.